Fix non-thread-safe operation in powerview number (#130557)

homeassistant/components/hunterdouglas_powerview/number.py

@@ -95,7 +95,7 @@ class PowerViewNumber(ShadeEntity, RestoreNumber):
         self.entity_description = description
         self._attr_unique_id = f"{self._attr_unique_id}_{description.key}"
 
-    def set_native_value(self, value: float) -> None:
+    async def async_set_native_value(self, value: float) -> None:
         """Update the current value."""
         self._attr_native_value = value
         self.entity_description.store_value_fn(self.coordinator, self._shade.id, value)